This 300mm aluminium triangular rule is intended for accurate measuring and marking in construction and planning work. The tool features six clear graduations, making it suitable for scale drawing, setting out, or architectural projects that require precise dimensioning and proportion.
The triangular profile not only provides stability on flat surfaces but also helps protect hands during cutting and scoring tasks. It is commonly used on site and in workshops for technical drawing, measuring materials, and safely guiding blades or marking tools while working with card or similar materials.
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